Home / 17,791.19-26,666.23-6,690.79

Finding the Fourth Proportional to 17,791.19, 26,666.23 and 6,690.79

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Solution

The fourth proportional to 17,791.19, 26,666.23 and 6,690.79 is: 10,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.19 : 26,666.23 = 6,690.79 : x
  2. Step 2: Convert to fraction form
    17,791.19/26,666.23 = 6,690.79/x
  3. Step 3: Cross multiply
    17,791.19x = 26,666.23 × 6,690.79
  4. Step 4: Simplify right side
    17,791.19x = 178,418,086.72
  5. Step 5: Solve for x
    x = 178,418,086.72/17,791.19
  6. Step 6: Final answer
    x = 10,028.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.